Carbon Positive: Monday, 1 November 2010 The forest carbon sector in the US has received a boost with the release of draft rules for the Californian cap and trade scheme. The rules released by the state’s Air Resources Board (ARB) for consultation include a doubling of the allowance originally proposed for the use of offsets in the scheme, from 4 per cent of an emitter’s obligation to 8 per cent. To help lower the cost of compliance to the scheme, Californian emitters can buy offset credits generated across the…